Immersion Cartridge Heater Hot Rod Heating Element Replacement Heater with 3/4"NPT Thread
Our cartridge heater is a marvel of engineering, featuring a robust cylindrical stainless steel tube that guarantees exceptional corrosion resistance, even in the most demanding environments. Nestled within is a meticulously crafted heating wire, intricately coiled around a premium ceramic core, forming the powerhouse of this high-performance heater.
Each coil is precisely calibrated to the heater's power specifications, ensuring flawless heat distribution and significantly extending the heater's lifespan. This advanced design minimizes oxidation of the heating wire, maintaining peak performance at elevated temperatures. These versatile cartridge heaters excel in rapid heat transfer through conduction when in direct contact with a heat sink, making them indispensable for producing plastic and rubber components in the automotive sector. They also play a crucial role in industries such as food processing, chemical, electronics, medical equipment, packaging, and even the nuclear industry.
In addition to our extensive range of standard offerings, we pride ourselves on our ability to custom-develop and manufacture cartridge heaters tailored to fulfill your specific needs and specifications.
Cartridge heaters are crafted with a crimped-on or swaged-in construction, incorporating a high-grade nickel-chromium resistance wire for top-tier performance.
The wire is intricately wound around a superior-quality MgO core, perfectly centered within a stainless steel sheath to ensure optimal conductivity and durability.
Cartridge heaters are engineered for a wide array of heating applications, including metal parts and liquids, when paired with threaded bushings. With their capability to reach metal temperatures as high as 760°C, these heaters deliver unparalleled performance by selecting the ideal material, watt density, and fit.
Performance capabilities:
1. Capable of reaching part temperatures up to 1400°F (760°C) with an alloy 800 sheath
2. Watt densities reaching up to 40W/cm², ensuring efficient energy use
3. Operates at a maximum voltage of 480VAC with a minimum starting point of just 5VAC
4. Available in diameters as small as 3mm
5. Offering a maximum diameter reach of 35mm, catering to a variety of applications
Benefits:
1. Designed for easy and cost-effective installation
2. Manufactured with premium-grade materials for superior performance
3. Optimized for enhanced heat transfer efficiency
4. Ensures effortless maintenance for prolonged usage
5. Guarantees uniform temperature distribution across applications
6. Resilient to oxidation and corrosion, even under rigorous conditions
7. Exhibits exceptional durability for long-lasting performance
8. Proudly certified by TÜV Rheinland, bearing the prestigious CE certification
Technical Details:
1. Tube diameter: Available in a variety of sizes, ranging from Φ3mm to Φ30mm to suit diverse needs
2. Tube Material: High-quality options including SS304, SS316, SS321, and NICOLOY800, ensuring versatility and reliability
3. Insulation Material: Utilizes high-purity MgO for optimal insulation performance
4. Resistance wire element: Composed of Ni-Cr or FeCr, delivering exceptional resistance and performance
5. Lead Connection Options: Crimped or Swaged leads
6. Lead and Type of Connection Leads: 10" Fiberglass StandardWire Options: Opt for Silicone or High-Temperature Fiberglass for optimal performance..
Specification of Cartridge Heaters:
| Sheath material |
SS304.321.316L,Incoloy800.840,Titanium |
| Insulation material |
High-purity MgO |
| Resistance |
Ni-Cr or FeCr |
| Maximum voltage |
480VAC |
| Wattage density |
high/middle/low(5-40w/cm2) |
| Wattage tolerances |
toloerance :+5% -10% |
| Dimensional |
Diameter: Min. dia:3mm |
| Length: |
Customized |
| Lead options |
Crimped- on / Swaged- in |
| Lead types |
Swage fiberglass insulation nickel wire ( 750°C ) |
| Crimp on silicone lead ( 250°C ) Crimp |
| Silicon insulated wire ( 200°C ) |
| Crimp fiberglass insulation nickel wire ( 450°C ) |
| Internal |
Type J or K available thermocouple |
| Lead protection options |
Stainless steel braid |
| Stainless steel flexible hose |
| other options |
Bent heaters, in no-heat section, up to 90° angle |
| mounting flange |
Feature:
Common cartridge heaters can be categorized based on density into two distinct types:
1. High Power Density: Offers a heat area surface power ranging from 10 to 25 W/cm².
Capable of operating at temperatures of up to 450°C.
2. Middle to Low Power Density: Provides a heat area surface power between 5 to 11 W/cm².
Functions efficiently at temperatures not exceeding 300°C.
Voltage: Spanning from 12 to 250V (or tailored to your specific requirements)
High Density Construction:
Crafted from premium stainless steel, ensuring durability even in the harshest industrial conditions.
With a robust stainless steel sheath, achieve watt densities up to 50 W/cm² and operating temperatures reaching 800°C.
Discover More through Our Cartridge Heater Gallery:
Factors - How to Choose the Optimal Cartridge Heaters:
Evaluate these pivotal factors for the ideal cartridge heater selection:
1. Desired operating temperature
2. Watt density specifications of the heating element
3. Choice of sheath material (consider whether the environment is corrosive or non-corrosive)
-
- Temperature levels of the corrodent
-
- Extent of aeration in the exposed corrodent
-
- Flow velocity of the corrodent
Dimensional Data:
(Outlined here are the minimum and maximum sheath lengths for available diameters.)
| |
Diameter |
|
|
Length |
|
| Normal |
Actual |
Min |
|
|
Max |
| in. |
in. |
mm |
in |
mm |
in |
mm |
| 1/8 |
0.122 |
3.1 |
7/8 |
22.2 |
12 |
305 |
| 1/4 |
0.246 |
6.3 |
7/8 |
22.2 |
36 |
915 |
| 3/8 |
0.371 |
9.4 |
7/8 |
22.2 |
48 |
1220 |
| 1/2 |
0.496 |
12.6 |
7/8 |
22.2 |
60 |
1520 |
| 5/8 |
0.621 |
15.8 |
1 |
25 |
72 |
1830 |
| 3/4 |
0.746 |
18.9 |
1 |
25 |
72 |
1830 |
| 1 |
0.996 |
25.3 |
1 1/4 |
32 |
72 |
1830 |
(Denotes the recommended maximum sheath length; however, extended lengths may be accessible.)
Termination Options:
1. Swaged-in Flexible Leads:
Flexible leads swaged-in with silicone-fiberglass insulation are ideal when bending at the heater's exit point is required.
If not otherwise specified, leads measuring 250mm
(10 in.)
are standardly provided.
Heaters measuring 150mm
(6 in.)
or shorter generally include a 6mm
(1/4 in.)
no-heat zone. Heaters up to 250mm
(10 in.)
necessitate a 25mm
(1 in.)
no-heat zone. For heaters exceeding 250mm, a no-heat zone longer than 25mm may be required. Specify when orderingswaged-in flexible leads.
2. Right Angle Leads:
Right angle leads are perfect for applications involving high flexing and space constraints. They exit at a 90° angle from the heater sheath.
Certain constructions may require a right-angle tube. Specify when ordering.Right Angle Leads and Lead Length.
| Diameter mm |
Min No-Heat Length mm(in.) |
| 6.5 |
15 (9/16) |
| |
15 (9/16) |
| 108.0 |
17 (2/3) |
| 12.5 |
18 (11/16) |
| 16.0 |
20 (3/4) |
| 20.0 |
21 (13/16) |
3.Premium Stainless Steel Braid
Our robust stainless steel braid is a masterful creation, meticulously designed to protect leads from abrasive encounters with sharp edges. This ensures enduring durability and unwavering reliability.
For various lead exit configurations, we present tailored solutions: For straight exits, the braid is seamlessly swaged into the heater's no-heat section. With right-angle exits, a crimp connector expertly secures the braids, ensuring flawless integration.
Unless otherwise specified, our standard leads are crafted at a length of 250 mm
(10 in.)
in length. The accompanying braid measures 200 mm
(8 in.)
long. To tailor your order to perfection, please specify your preference forstraight or right-angle stainless steel braid, lead length, and no-heat section requirements.
| Diameter |
Min. No-Heat Length |
| Straight |
Right Angle mm |
| mm |
| mm (in.) |
|
(in.) |
| |
|
| 6.5 |
30 (1 1/8) |
|
N/A |
| 8.0 |
30 (1 1/8) |
15 |
(9/16) |
| 10.0 |
30 (1 1/8) |
17 |
(2/3) |
| 12.5 |
30 (1 1/8) |
18 |
(11/16) |
| 16.0 |
30 (1 1/8) |
20 |
(3/4) |
| 20.0 |
30 (1 1/8) |
21 |
(13/16) |
4.Durable Stainless Steel Hose
Our stainless steel hose stands as a bastion of protection, offering superior defense against abrasion from sharp edges or abrasive equipment. It also ensures effortless handling and streamlined wiring in the most demanding environments.
For right-angle lead exits, the hose is impeccably silver soldered to the sheath. Unless otherwise specified, standard leads measure 250 mm(10 in.) in length, with the hose extending 200 mm(8 in.)in length. To place an order, please specify stainless steel hose, lead length, and no-heat section.
| |
Min. No-Heat Length |
| Diameter |
Straight |
Right Angle mm |
| mm |
mm (in.) |
|
(in.) |
| 6.5 |
30 (1 1/8) |
|
N/A |
| 8.0 |
30 (1 1/8) |
15 |
(9/16) |
| 10.0 |
30 (1 1/8) |
17 |
(2/3) |
| 12.5 |
30 (1 1/8) |
18 |
(11/16) |
| 16.0 |
30 (1 1/8) |
20 |
(3/4) |
| 20.0 |
30 (1 1/8) |
21 |
(13/16) |
5. Galvanized Conduit Protection
Our galvanized conduit delivers protection on par with stainless steel hose against abrasion.
It is securely affixed with a 90° elbow copper coupler, creating a secure overlap with the heater sheath. Unless otherwise specified, we provide a standard 200 mm(8 in.)conduit, with leads extending 50 mm beyond the conduit. To customize your order, please specify galvanized conduit, lead length, and no-heat section.
| |
Min |
|
|
Galvani |
| Diam |
Dimensio |
Dimensio |
zed |
| No-Heat |
| eter |
n A |
n B |
conduit |
| Length |
| mm |
mm(in.) |
mm(in.) |
O.D. |
| mm(in.) |
| |
|
|
mm(in.) |
| |
|
|
|
| 6.5 |
12(7/16) |
22(7/8) |
29(1 1/8) |
10(3/8) |
| 8.0 |
12(7/16) |
22(7/8) |
29(1 1/8) |
10(3/8) |
| 10.0 |
12(7/16) |
22(7/8) |
29(1 1/8) |
10(3/8) |
| 12.5 |
12(7/16) |
28(1 1/8) |
30(1 3/16) |
14(1/2) |
| 16.0 |
12(7/16) |
28(1 1/8) |
34(1 5/16) |
14(1/2) |
| 20.0 |
12(7/16) |
29(1 1/8) |
36(1 7/16) |
16(5/8) |
6. High-Temperature Ceramic Bead Insulation
Our ceramic bead insulation offers remarkable protection for leads in high-temperature environments exceeding 450°C(840°F).The ceramic beads elegantly fit over solid conductors, extending to cooler areas where flexible wires are securely attached. To order, please specify ceramic beads and length, and additional lead length requirements.
7. Versatile Stainless Steel Flanges
Our stainless steel flanges provide a dual advantage: a convenient mounting method and an effective way to precisely position heaters. Flange style and specifications are customized to your requirements. These flanges can be positioned in any no-heat section of the heater sheath. To place an order, specify flange, flange size, and location. .
Immersion Cartridge Heaters for Liquid Applications:
For exceptional liquid immersion heating applications, we advocate the use of brass or stainless steel threaded bushings.
The bushing size is precisely matched to the pipe diameter. Available specifications include
Our versatile range includes G thread, NPT thread, and BSPP thread options, ensuring compatibility with various applications. , among others, providing you with flexible installation possibilities.
Comprehensive Step-by-Step Guide to Installing Cartridge Heaters:
1. Begin by crafting a precise hole in the section that requires heating for optimal effectiveness.
2. Ream the hole to achieve a smooth finish, ensuring optimal contact and superior heat transfer capabilities.
3. Extend the hole through the section to facilitate effortless removal of the heating unit when necessary.
4. If a through hole isn't feasible, expand the hole size within acceptable tolerance limits to accommodate installation.
5. Reduce vibration and minimize the flexing of the lead wires to prolong the service life of the heater.
6. Guard against liquid contamination by securely protecting the heater's end components.
When placing an order for Cartridge Heaters, kindly provide the following specifications :
1. Specify the Type of Cartridge Heater (refer to the Termination Options for guidance).
2. Indicate the precise Diameter of the Cartridge Heater required.
3. Provide the Overall Length of the straight Cartridge Heaters.
4. State the necessary Wattage and Voltage to meet your heating needs.
5. Determine the Type of Lead (choose between glass fibre or PTFE) and specify the desired lead length.
Frequently Asked Questions (FAQ)
(1). Q: Can you offer a discount?
A: Our discounts are quantity-based. The more you order, the more you save! Let us help maximize your investment.
(2). Q: How can I obtain a sample?
A: For most of our products, we provide free samples for small quantities, with customers responsible for shipping costs. Alternatively, you can provide your DHL, FEDEX, EMS, or UPS account number. For larger sample requests, a fee may be applicable.
(3). Q: Why is your price higher than other Chinese suppliers?
A: We proudly focus on delivering top-tier, high-performance products to establish long-lasting, friendly relationships with our customers. Our prices reflect our commitment to quality and excellence.
While our prices might not be the lowest, our products offer unparalleled cost performance.
(4). Q: How do you ensure the quality of mass production matches the sample sent to me?
A: Our diligent warehouse team retains an identical sample labeled with your company name before dispatching the original, ensuring a high standard of quality and consistency in mass production.
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